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[jsinterp] Further improve expression parsing (fix fd8242e)

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Passes tests from yt-dlp
This commit is contained in:
dirkf 2024-07-10 18:02:11 +01:00
parent 756f6b45c7
commit 76ac69917e
1 changed files with 6 additions and 3 deletions
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9
youtube_dl/jsinterp.py
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@ -804,16 +804,19 @@ class JSInterpreter(object):
if op in ('+', '-'):
# simplify/adjust consecutive instances of these operators
undone = 0
while len(separated) > 1 and not separated[-1].strip():
separated = [s.strip() for s in separated]
while len(separated) > 1 and not separated[-1]:
undone += 1
separated.pop()
if op == '-' and undone % 2 != 0:
right_expr = op + right_expr
elif op == '+':
while len(separated) > 1 and separated[-1].strip() in self.OP_CHARS:
while len(separated) > 1 and set(separated[-1]) <= self.OP_CHARS:
right_expr = separated.pop() + right_expr
if separated[-1][-1:] in self.OP_CHARS:
right_expr = separated.pop() + right_expr
# hanging op at end of left => unary + (strip) or - (push right)
left_val = separated[-1]
left_val = separated[-1] if separated else ''
for dm_op in ('*', '%', '/', '**'):
bodmas = tuple(self._separate(left_val, dm_op, skip_delims=skip_delim))
if len(bodmas) > 1 and not bodmas[-1].strip():